Checking and Maintaining Linux Disk Space

Ever need to find out what’s using the most space on your Linux box? There are a couple commands that will help make things easier…

To find out how much space you have use:

df -h .

Which will give you output like so…

Filesystem      Size  Used Avail Use% Mounted on
/dev/sda         20G   15G  4.2G  79% /

To list out the directories using the most space, use this handy command…

sudo du /usr/local | sort -n

… where /usr/local is the directory you want info for (you can also just start from root: /)

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